Milli-meter and Optical-Infrared Astronomical Observations by Using High-Level Overseas Telescopes.

九个人（谷口Y., Suto H.，长谷川T.，若松K.，田中M.，岩川K.，佐藤F.，索福Y.，小仓K.）被委派在光学，红外和无线电区域进行各种波长的天文观测。目标是1)星际介质（Suto， Tanaka和Ojura） 2)星系（Taniguchi， Iwasawa和Sfue）和3)星系群（Hasegawa, Wkamatsu）。他们专门从事活动的国家或地区是北半球的美国格林班克的莫纳肯（JCMT和UKIRT）和德国波恩，以及智利和南非的塞罗托洛洛，拉西拉。1)Suto在J， H和K波段对15个恒星形成区域进行了红外成像。在红外源IRAS 11072-7727周围发现了一个显著的星云复合体。Ogura在瑞典eso望远镜上对自己发现的赫比格-哈罗天体HH135/136进行了观测，CO线在1.3和1.4 mm处。13CO（J=2-1）发射线在1.3mm处检测到高速分子外流，而13CO（J=2-1）则显示了包围两个HH物体的致密分子核。佐藤利用美国NRAO Greenbank 43米射电望远镜，在21cm波长上对仙王座-仙后座复合体进行了广泛的观测。在调查中，他描绘了包裹着这个复体的中性氢云，以及一个直径为10度的壳状结构，位于银河系经度110，纬度3。2)谷口发现，星爆星系中环核云的温度明显高于我们星系中正常分子云的温度。Tanaka探测到Seyfert/cD星系NGC1275的H2分子谱线宽，光谱分辨率为30 km/s。Iwasawa用CTIO 1.5m望远镜获得了17个星系光学区的光谱。他在IRAS18325-5926中发现了一个典型的Seyfert 2光谱，该光谱被Ginga的x射线观测指定为Seyfert 1。他还在Tololo 0109-38的Fell lambda 4570上发现了一个凸起，以及一个与Mkn603有关的蓝色致密矮星系。Sofue试图利用德国波恩100米射电望远镜探测3个红移为2 ~ 3的类星体或相关天体的CO吸收线，但未能以足够的信噪比探测到。3)Hasegawa在南非利用1.9m望远镜的RPCS低分辨率光谱仪测量了蛇夫座星系团中50个星系的衰退速度。他发现了新的星系团。结合他和他的同事之前发现的星系团，他得出结论，这些星系团形成了一个超星系团，在超星系团和我们之间存在着一个巨大的空隙。若松用智利CTIO 1.5m望远镜上的卡塞格伦光谱仪对上述区域进行了广泛的光谱调查。上面的超级星团向大力神星团延伸，显示出“壁”结构，范围为100 Mpc。因此，在这个项目中进行了各种领域的研究，包括星际介质，星系中的活动和星系团的结构。一些高水平的论文已经出版或正在编写中。如果没有世界上最好地点的望远镜，这些成功是不可能实现的。在本研究项目中，大部分计划的时间表已经完成。少

Nine persons ( Y. Taniguchi, H. Suto, T. Hasegawa, K. Wakamatsu, M. Tanaka, K. Iwasawa, F. Sato, Y. Sofue, and K. Ogura ) were delegated for astronomical observations with various wavelengths in the optical, infrared and radio regions.The objectives are 1) interstellar medium ( Suto, Tanaka, and Ojura ) 2) galaxies ( Taniguchi, Iwasawa, and Sfue ), and 3) clusters of falaxies ( Hasegawa, Wkamatsu ).The countries or areas where their activities were devoted are Mauna Ken (JCMT and UKIRT), Greenbank, USA, and Bonn, Germany, in the northern hemisphere and Cerro Tololo, La Silla in Chile and South Africa.1)Suto made infrared imaging for 15 star-forming regions at J, H, and K bands. A remarkable complex of nebulosities was detected around infrared source IRAS 11072-7727. Ogura carried out an observation of Herbig-Haro objects HH135/136, which had been discovered by himself, with CO lines at 1.3 and 1.4 mm at SEST (Swedish-ESO) telescope. A high-velocity molecular outflow was detected in the … More 12CO(J=2-1) emission line at 1.3mm, while a dense molecular core encompassing thetwo HH objects was revealed in the 13CO(J=2-1).Sato made an extensive survey of a Cepheus-Cassiopeia complex region with neutral hydrogen at a wavelength of 21cm with NRAO Greenbank 43m radio telescope, USA. In the survey, he delineated the neutral hydrogen cloud enveloping the complex, and a shell structure with a diameter of 10ﾟ degrees locating at a galactic longitude 110ﾟ and a galactic latitude 3ﾟ .2)Taniguchi found that temperature of circumnuclear clouds in the star-burst galaxies is significantly higher than that of normal molecular clouds in our galaxies.Tanaka detected a broad width of H2 molecular line for a Seyfert/cD galaxy, NGC1275 with a spectral resolution of 30 km/s.Iwasawa obtained spectra in the optical regions of 17 galaxies with CTIO 1.5m telescope. He found a spectrum exhibiting the typical Seyfert 2 in IRAS18325-5926, which was designated to Seyfert 1 from the X-ray observations by Ginga. He also detected a bump at Fell lambda 4570 in Tololo 0109-38, and a blue compact dwarf galaxy associated with Mkn603.Sofue tried to detect the CO absorption line toward three quasars or related objects with the redshifts of 2 to 3, using the Bonn 100 m radio telescope in Germany, but failed to detect it with sufficient signal-to-noise ratios.3)Hasegawa made a measurement of recession velocities for 50 galaxies in the cluster of galaxies in Ophiuchi constellation using RPCS low-resolution spectrometer at 1.9m telescope in South Africa. He discovered new clusters of galaxies. Combining the clusters of galaxies previously discovered by himself and his colleagues, he concluded that these clusters of galaxies form a supercluster of galaxies, and there lies a huge void between the supercluster and us.Wakamatsu carried out an extensive spectroscopic survey for the above region with the Cassegrain spectrometer at CTIO 1.5m telescope, Chile. The above super-cluster extending toward Hercules cluster of galaxies shows 'Wall' structure with an extent of 100 Mpc.Thus, a various field of researches were carried out in this program, covering interstellar medium, activities in the galaxies, and structures of the clusters of galaxies. A number of papers with high levels were published or are in preparation. Without the access to the telescopes located at the excellent sites in the world, these success could not be attained. Most of the planned schedules have been achieved in this research program. Less